H2H data updated: 2026-10-29 00:00 UTC
Janice Tjen holds a 1–0 lead over Martina Okalova in their WTA head-to-head. Across 1 main-draw meeting, Janice Tjen leads 1–0 on hard courts. Most recently, Janice Tjen won the 2025 São Paulo Open second round 6-1 6-0.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Janice Tjen | 6-1 6-0 | Martina Okalova | Match data | Sep 10, 2025 | R16 | São Paulo Open | WTA 250 | Hard |
Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Janice Tjen | #47 | #35 | 1,341 | 1,792 | 26 | 31 | 45.6% | 0 | 0 | 0 | 0 | 1 | 1 |
| Martina Okalova | — | #372 | 155 | 1,572 | 1 | 1 | 50.0% | 0 | 0 | 0 | 0 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Janice Tjen | Martina Okalova | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 23 | 2025 | 10–3 | 76.9% | #56 | 1,760 | 0 | 1 | — | — | — | — | — | — | — |
| 24 | 2026 | 16–28 | 36.4% | #47 | 1,702 | 0 | 1 | — | — | — | — | — | — | — |
| 28 | — | — | — | — | — | — | — | 2025 | 1–1 | 50.0% | #411 | 1,527 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Age | Janice Tjen | Martina Okalova | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | |
| 23 | 2025 | 1760 | 132.2 | +2.30 | -0.55 | 1.147 | 52.4% | +37 | — | — | 70.0% | +1.13 | 3–1 (75%) | 4–1 (80%) | 105.2 | +1.23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2026 | 1703 | 138.9 | +0.80 | -3.68 | 0.908 | 48.0% | +33 | -187 | -111 | 40.0% | -0.75 | 4–8 (33%) | 10–8 (56%) | 99.0 | -0.48 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1531 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1527 | 97.6 | -1.83 | +0.09 | 0.700 | 42.6% | — | — | — | 50.0% | -1.75 | — | — | — | +0.50 |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1490 | 92.4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1792 | 136.7 | +1.04 | -3.17 | 0.943 | 48.7% | +34 | -187 | -111 | 46.9% | -0.32 | 7–9 (44%) | 14–9 (61%) | 103.1 | +1.32 | — | 1572 | 95.3 | -1.83 | +0.09 | 0.700 | 42.6% | — | — | — | 50.0% | -1.75 | — | — | — | +25.00 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Liudmila Samsonova | 0 | 3 | 3 | Aug 3, 2026 | H2H |
| Leylah Fernandez | 3 | 0 | 3 | Jun 29, 2026 | H2H |
| Mirra Andreeva | 0 | 2 | 2 | Sep 1, 2026 | H2H |
| Dayana Yastremska | 2 | 0 | 2 | Aug 24, 2026 | H2H |
| Camila Osorio | 0 | 2 | 2 | May 20, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Janice Tjen | 0 | 1 | 1 | Sep 10, 2025 | H2H |
| Arina Rodionova | 1 | 0 | 1 | Sep 8, 2025 | H2H |